Fire fighter&#39;s helmet



FIG. 1 is a top, front and side perspective view of a fire fighter'shelmet showing my new design;

FIG. 2 is a view similar to FIG. 1 but showing the helmet in a differentposition of use;

FIG. 3 is a view similar to FIGS. 1 and 2, but showing the helmet in athird position of use;

FIG. 4 is a front elevational view thereof in the FIG. 2 position;

FIG. 5 is a side elevational view thereof from the right of FIG. 4, inthe FIG. 2 position, the side opposite that shown in FIG. 5 being themirror image thereof;

FIG. 6 is a rear elevational view thereof, in the FIG. 2 position;

FIG. 7 is a top plan view thereof in the FIG. 2 position; and

FIG. 8 is a bottom plan view thereof in the FIG. 1 position.

The ornamental design for a fire fighter's helmet, as shown anddescribed.